Originally Posted by GeorgeSmooth
I have the 3.15 with auto. 1st gear is perfect as its a bit shorter than my stock 2nd gear for launches but not short enough to make the launch very tricky.
The only major negative I have is that at highway speeds the revs in 6th sit in the drone sweet spot of the AE Exhaust I had on. It was unbearable and I have put stock exhaust back on. At 120-130km/h the car cruising right in the droning spot.
My consumption with the diff also sits lower than 10L/100km always.
Thanks for the heads up. I'm also thinking the 3.15 would make more sense because we have all that torque to play with.
Is the M3 Manual diff shorter FD than our OEM diff? if it is then the dct is the best choice